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Noise

Posted: Mon Dec 03, 2018 4:49 pm
by piero_goku
Hello friends.
I’m using this board as hat (I cannot use it to date with a ribbon) and it works great.
I did a fet preamp for my guitar that works great with this sound card.
With the left input channel I have not any problem.
Whit the right in (red) channel the signal of my input is there, but with important noise: it seems as the ground is not connected with a continuous “prrrrrrrrrrrr”...
Where could I investigate to resolve this issue?
Thank you very much.